A moment later the others heard a grunt over the radio.
From not far off they heard a grunt of pain.
I felt his body tense and heard a little grunt.
He heard a grunt from behind him, and then another splash.
She called his name and heard a sleepy grunt, but nothing more.
He heard a grunt from the big man, and then footsteps.
Henry heard a low grunt as the person who'd fallen got up and came on again.
Outside the door they heard a grunt, like when a man lifts something heavy.
He heard a tiny grunt, and recognized it at once.
Then we could hear a big grunt even over the blast of the storm, and everything went black.